html {
            font-size: 10.5px;
        }

        :root {
            color-scheme: dark;
            --panel-sidebar-width: 146px;
            --sb-bg: #070707;
            --sb-surface: #121212;
            --sb-surface-2: #181818;
            --sb-line: rgba(255, 255, 255, 0.08);
            --sb-line-strong: rgba(255, 255, 255, 0.14);
            --sb-text: #f5f5f0;
            --sb-heading: #e6e8eb;
            --sb-heading-soft: #d6d9dd;
            --sb-muted: #a0a0a0;
            --sb-accent: #f0ad2c;
            --sb-accent-soft: rgba(240, 173, 44, 0.16);
        }

        body {
            background:
                radial-gradient(circle at top right, rgba(240, 173, 44, 0.18), transparent 24%),
                radial-gradient(circle at bottom left, rgba(68, 95, 255, 0.10), transparent 20%),
                var(--sb-bg);
            color: var(--sb-text);
            font-family: "Space Grotesk", sans-serif;
            min-height: 100vh;
        }

        body, .table, .form-control, .form-select, .form-check-label, .dropdown-menu, .form-label, .accordion-button {
            color: var(--sb-text);
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6,
        .hero-title,
        .card-header h3,
        .accordion-button,
        .navbar-brand strong {
            color: var(--sb-heading) !important;
        }

        a {
            text-decoration: none;
        }

        .navbar-glass,
        .page-card,
        .card,
        .list-group-item,
        .accordion-item,
        .modal-content {
            background: rgba(18, 18, 18, 0.92) !important;
            border: 1px solid var(--sb-line) !important;
            box-shadow: 0 18px 50px rgba(0, 0, 0, 0.28);
        }

        .navbar-glass {
            backdrop-filter: blur(14px);
        }

        .page-shell {
            width: min(1440px, calc(100vw - 24px));
            margin: 1rem auto 2rem;
        }

        .page-card {
            border-radius: 1.5rem;
        }

        .card,
        .accordion-item,
        .list-group-item {
            border-radius: 1rem !important;
        }

        .text-muted,
        .form-text,
        .small-muted {
            color: var(--sb-muted) !important;
        }

        .eyebrow {
            color: var(--sb-muted);
            font-size: 0.75rem;
            letter-spacing: 0.18em;
            text-transform: uppercase;
        }

        .hero-title {
            letter-spacing: -0.05em;
        }

        .mono {
            font-family: "JetBrains Mono", monospace;
        }

        .project-brand {
            display: inline-flex;
            align-items: center;
            gap: 0.95rem;
            min-width: 0;
        }

        .project-brand-copy {
            display: inline-flex;
            flex-direction: column;
            min-width: 0;
        }

        .project-brand-logo {
            width: 64px;
            height: 64px;
            object-fit: contain;
            flex-shrink: 0;
            filter: drop-shadow(0 12px 24px rgba(0, 0, 0, 0.25));
        }

        .project-brand-title {
            color: var(--sb-heading);
            font-size: 1.05rem;
            font-weight: 700;
            letter-spacing: -0.05em;
            line-height: 1.05;
        }

        .project-brand-subtitle {
            color: var(--sb-muted);
            font-size: 0.84rem;
            margin-top: 0.25rem;
            line-height: 1.2;
        }

        .project-brand--compact .project-brand-logo {
            width: 58px;
            height: 58px;
        }

        .project-brand--compact .project-brand-title {
            font-size: 1.04rem;
        }

        .project-brand--hero {
            margin-bottom: 1.5rem;
        }

        .project-brand--hero .project-brand-logo {
            width: clamp(78px, 10vw, 110px);
            height: clamp(78px, 10vw, 110px);
        }

        .project-brand--hero .project-brand-title {
            font-size: clamp(1.55rem, 3vw, 2.45rem);
        }

        .project-brand--hero .project-brand-subtitle {
            font-size: 0.95rem;
        }

        .navbar-brand {
            min-width: 0;
        }

        body.has-panel-sidebar .page-shell {
            width: min(1440px, calc(100vw - var(--panel-sidebar-width) - 2rem));
            margin: 1rem auto 2rem calc(var(--panel-sidebar-width) + 1rem);
        }

        .panel-statusbar {
            position: sticky;
            top: 0;
            z-index: 1020;
            margin-left: var(--panel-sidebar-width);
            border-top: 0 !important;
            border-left: 0 !important;
            border-right: 0 !important;
            border-radius: 0 !important;
        }

        .panel-statusbar-shell {
            display: flex;
            align-items: stretch;
            gap: 0.85rem;
            width: 100%;
            padding: 0.85rem 1rem;
        }

        .panel-mobile-brand {
            min-width: 0;
            padding: 0;
        }

        .navbar-status-row {
            display: flex;
            width: 100%;
        }

        .panel-statusbar .navbar-status-row {
            flex: 1 1 auto;
        }

        .panel-sidebar {
            position: fixed;
            top: 0;
            left: 0;
            bottom: 0;
            z-index: 1030;
            width: var(--panel-sidebar-width);
            flex-direction: column;
            gap: 1rem;
            padding: 1rem;
            overflow-y: auto;
            border-top: 0 !important;
            border-right: 0 !important;
            border-bottom: 0 !important;
            border-radius: 0 !important;
            scrollbar-color: rgba(255, 255, 255, 0.22) transparent;
        }

        .panel-sidebar-brand {
            display: flex;
            align-items: center;
            padding: 0.25rem 0.25rem 0.9rem;
            border-bottom: 1px solid var(--sb-line);
        }

        .panel-sidebar-nav {
            min-height: 0;
        }

        .panel-sidebar-menu,
        .navbar-menu-list {
            display: flex;
            flex-direction: column;
            gap: 0.35rem;
            width: 100%;
        }

        .panel-sidebar .navbar-menu-list .nav-item {
            min-width: 0;
            width: 100%;
        }

        .panel-sidebar .navbar-menu-list .nav-link,
        .panel-sidebar .navbar-menu-list form,
        .panel-sidebar .navbar-menu-list .btn {
            width: 100%;
        }

        .panel-sidebar .navbar-menu-list .nav-link {
            display: flex;
            align-items: center;
            justify-content: flex-start;
            min-height: 42px;
            border: 0;
            border-radius: 0.65rem;
            background: transparent;
            color: var(--sb-text);
            text-align: left;
            line-height: 1.2;
            white-space: normal;
        }

        .panel-sidebar .navbar-menu-list .nav-link:hover,
        .panel-sidebar .navbar-menu-list .nav-link:focus {
            background: rgba(255, 255, 255, 0.06);
            color: var(--sb-heading) !important;
        }

        .panel-sidebar .navbar-menu-list .nav-link.active {
            border-right: 3px solid var(--sb-accent);
            background: rgba(240, 173, 44, 0.16);
            color: #fff !important;
        }

        .panel-sidebar .navbar-menu-list .dropdown-toggle::after {
            margin-left: auto;
        }

        .navbar-dropdown-menu {
            width: 100%;
            min-width: 0;
            margin-top: 0.35rem;
            padding: 0.45rem;
            border: 1px solid var(--sb-line);
            border-radius: 1rem;
            background: rgba(18, 18, 18, 0.98);
            box-shadow: 0 18px 36px rgba(0, 0, 0, 0.28);
        }

        .navbar-dropdown-menu .dropdown-item {
            border-radius: 0.75rem;
            color: var(--sb-text);
            padding: 0.7rem 0.85rem;
            white-space: normal;
        }

        .navbar-dropdown-menu .dropdown-item:hover,
        .navbar-dropdown-menu .dropdown-item:focus {
            background: rgba(255, 255, 255, 0.06);
            color: var(--sb-text);
        }

        .navbar-dropdown-menu .dropdown-item.active,
        .navbar-dropdown-menu .dropdown-item:active {
            background: var(--sb-accent-soft);
            color: #fff;
        }

        .navbar-dropdown-menu.show {
            display: block;
        }

        .panel-sidebar .navbar-dropdown-menu {
            position: static !important;
            transform: none !important;
            margin: 0.25rem 0 0.35rem;
            padding: 0 0 0 0.75rem;
            border: 0 !important;
            border-radius: 0;
            background: transparent;
            box-shadow: none;
        }

        .panel-sidebar .navbar-dropdown-menu .dropdown-item {
            border-radius: 0.55rem;
            padding: 0.58rem 0.75rem;
            color: var(--sb-muted);
            font-size: 0.9rem;
            line-height: 1.25;
        }

        .panel-sidebar .navbar-dropdown-menu .dropdown-item:hover,
        .panel-sidebar .navbar-dropdown-menu .dropdown-item:focus {
            background: rgba(255, 255, 255, 0.06);
            color: var(--sb-heading);
        }

        .panel-sidebar .navbar-dropdown-menu .dropdown-item.active,
        .panel-sidebar .navbar-dropdown-menu .dropdown-item:active {
            background: rgba(240, 173, 44, 0.12);
            color: #fff;
        }

        .panel-sidebar .navbar-menu-list form {
            display: flex;
        }

        .panel-sidebar .navbar-menu-list .btn,
        .panel-sidebar-footer .btn {
            min-height: 44px;
            width: 100%;
        }

        .panel-sidebar-footer {
            margin-top: auto;
            padding-top: 0.9rem;
            border-top: 1px solid var(--sb-line);
        }

        .navbar-status-row {
            align-items: stretch;
            gap: 0.85rem;
            min-width: 0;
        }

        .navbar-clock,
        .navbar-schedule,
        .navbar-key-status {
            border: 1px solid var(--sb-line);
            border-radius: 1rem;
            background: rgba(255, 255, 255, 0.04);
        }

        .navbar-clock {
            min-width: 220px;
            padding: 0.85rem 1rem;
            display: flex;
            flex-direction: column;
            justify-content: center;
            gap: 0.25rem;
        }

        .navbar-clock-label,
        .navbar-schedule-label {
            color: var(--sb-muted);
            font-size: 0.72rem;
            letter-spacing: 0.16em;
            text-transform: uppercase;
            white-space: nowrap;
        }

        .navbar-clock-time {
            color: var(--sb-heading);
            font-size: clamp(1.35rem, 2.4vw, 1.85rem);
            font-weight: 700;
            line-height: 1;
        }

        .navbar-clock-day {
            color: var(--sb-muted);
            font-size: 0.85rem;
            text-transform: capitalize;
        }

        .navbar-schedule {
            flex: 1 1 auto;
            width: auto;
            padding: 0.85rem 1rem;
        }

        .navbar-key-status {
            min-width: 200px;
            padding: 0.85rem 1rem;
            display: flex;
            flex-direction: column;
            justify-content: center;
            gap: 0.25rem;
        }

        .navbar-key-status-label {
            color: var(--sb-muted);
            font-size: 0.72rem;
            letter-spacing: 0.16em;
            text-transform: uppercase;
            white-space: nowrap;
        }

        .navbar-key-status-headline {
            color: var(--sb-heading);
            font-size: 0.95rem;
            font-weight: 700;
            line-height: 1.2;
        }

        .navbar-key-status-meta {
            color: var(--sb-muted);
            font-size: 0.82rem;
            line-height: 1.35;
        }

        .navbar-key-status--ok {
            border-color: rgba(89, 181, 117, 0.32);
            background: rgba(89, 181, 117, 0.08);
        }

        .navbar-key-status--warning {
            border-color: rgba(240, 173, 44, 0.38);
            background: rgba(240, 173, 44, 0.12);
        }

        .navbar-key-status--danger {
            border-color: rgba(220, 53, 69, 0.4);
            background: rgba(220, 53, 69, 0.12);
        }

        .navbar-schedule-top,
        .navbar-schedule-content {
            display: flex;
            align-items: flex-start;
            justify-content: space-between;
            gap: 0.9rem 1.2rem;
            flex-wrap: wrap;
        }

        .navbar-schedule-top {
            margin-bottom: 0.35rem;
        }

        .navbar-schedule-primary {
            color: var(--sb-heading);
            font-size: 1rem;
            font-weight: 700;
            letter-spacing: -0.03em;
            line-height: 1.2;
            flex: 1 1 240px;
        }

        .navbar-schedule-meta {
            display: flex;
            flex-wrap: wrap;
            justify-content: flex-end;
            gap: 0.45rem 1rem;
            color: var(--sb-muted);
            font-size: 0.83rem;
            flex: 1 1 280px;
        }

        .nav-link {
            border-radius: 999px;
            padding-inline: 1rem !important;
        }

        .nav-link.active {
            background: var(--sb-accent-soft);
            color: #fff !important;
        }

        .listing-toolbar {
            display: grid;
            grid-template-columns: minmax(220px, 1.35fr) minmax(180px, 0.8fr) auto auto;
            gap: 0.75rem;
            align-items: center;
            margin-bottom: 1rem;
        }

        .listing-toolbar .form-control,
        .listing-toolbar .form-select {
            min-height: 44px;
        }

        .listing-toolbar-status {
            justify-self: end;
            white-space: nowrap;
        }

        .listing-empty-state {
            display: none;
            border: 1px dashed var(--sb-line-strong);
            border-radius: 1rem;
            padding: 1rem 1.1rem;
            color: var(--sb-muted);
            background: rgba(255, 255, 255, 0.02);
            margin-top: 1rem;
        }

        .listing-empty-row td {
            color: var(--sb-muted);
            text-align: center;
            padding-block: 1.5rem;
        }

        .searchable-multiselect-tools {
            display: grid;
            grid-template-columns: minmax(0, 1fr) auto;
            gap: 0.55rem;
            align-items: center;
            margin-bottom: 0.45rem;
        }

        .searchable-multiselect-status {
            color: var(--sb-muted);
            font-size: 0.78rem;
            white-space: nowrap;
        }

        .form-select[multiple] {
            min-height: 7.5rem;
        }

        .bulk-selection-toolbar {
            display: flex;
            align-items: center;
            justify-content: flex-end;
            gap: 0.75rem;
            min-height: 42px;
            margin-bottom: 0.75rem;
        }

        .card-body.p-0 > .bulk-selection-toolbar {
            padding: 1rem 1.5rem 0;
        }

        .bulk-selection-select-all {
            display: inline-flex;
            align-items: center;
            gap: 0.55rem;
            margin-right: auto;
            color: var(--sb-heading-soft);
            font-weight: 600;
            cursor: pointer;
        }

        .bulk-selection-status {
            white-space: nowrap;
        }

        .bulk-selection-cell {
            width: 3.5rem;
            min-width: 3.5rem;
            text-align: center;
            vertical-align: middle !important;
        }

        .bulk-selection-cell .form-check-input,
        .bulk-selection-item-control .form-check-input,
        .bulk-selection-select-all .form-check-input {
            width: 1.25rem;
            height: 1.25rem;
            margin: 0;
            cursor: pointer;
        }

        tr.bulk-selection-selected > td {
            background-color: rgba(240, 173, 44, 0.09);
        }

        .bulk-selectable-item {
            position: relative;
            padding-left: 4rem !important;
            transition: border-color 0.18s ease, box-shadow 0.18s ease, background-color 0.18s ease;
        }

        .bulk-selection-item-control {
            position: absolute;
            top: 1.15rem;
            left: 1.15rem;
            z-index: 4;
            display: inline-flex;
            align-items: center;
            justify-content: center;
        }

        .bulk-selectable-item.bulk-selection-selected {
            border-color: rgba(240, 173, 44, 0.55) !important;
            background-color: rgba(240, 173, 44, 0.08) !important;
            box-shadow: 0 0 0 2px rgba(240, 173, 44, 0.12);
        }

        .btn-primary {
            --bs-btn-bg: var(--sb-accent);
            --bs-btn-border-color: var(--sb-accent);
            --bs-btn-hover-bg: #d49a24;
            --bs-btn-hover-border-color: #d49a24;
            --bs-btn-color: #111;
            --bs-btn-hover-color: #111;
            font-weight: 700;
        }

        .btn-outline-light,
        .btn-outline-secondary,
        .btn-outline-warning {
            --bs-btn-hover-color: #111;
        }

        .form-control,
        .form-select,
        textarea.form-control {
            background-color: rgba(255, 255, 255, 0.04);
            border-color: var(--sb-line-strong);
            color: var(--sb-text);
        }

        .form-control:focus,
        .form-select:focus,
        textarea.form-control:focus {
            background-color: rgba(255, 255, 255, 0.06);
            border-color: rgba(240, 173, 44, 0.5);
            box-shadow: 0 0 0 0.25rem rgba(240, 173, 44, 0.15);
            color: var(--sb-text);
        }

        .form-control:-webkit-autofill,
        .form-control:-webkit-autofill:hover,
        .form-control:-webkit-autofill:focus,
        .form-select:-webkit-autofill,
        textarea.form-control:-webkit-autofill {
            -webkit-text-fill-color: var(--sb-text);
            box-shadow: 0 0 0 1000px rgba(20, 20, 20, 0.98) inset;
            transition: background-color 9999s ease-in-out 0s;
        }

        .form-select option,
        .form-control option {
            color: var(--sb-text);
            background: #141414;
        }

        .accordion-button,
        .accordion-button:not(.collapsed) {
            background: rgba(255, 255, 255, 0.03);
            color: var(--sb-text);
            box-shadow: none;
        }

        .accordion-button::after {
            filter: invert(1);
        }

        .form-control::placeholder {
            color: #848484;
        }

        .table {
            --bs-table-bg: transparent;
            --bs-table-color: var(--sb-text);
            --bs-table-border-color: var(--sb-line);
            margin-bottom: 0;
        }

        .table thead th {
            color: var(--sb-heading-soft);
            text-transform: uppercase;
            letter-spacing: 0.08em;
            font-size: 0.78rem;
            border-bottom-width: 1px;
        }

        .badge-soft {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--sb-line-strong);
            color: var(--sb-text);
        }

        .stat-card {
            border-radius: 1rem;
            padding: 1.25rem;
            background: linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.02));
            border: 1px solid var(--sb-line);
            height: 100%;
        }

        .stat-value {
            font-size: clamp(1.7rem, 4vw, 2.6rem);
            font-weight: 700;
            letter-spacing: -0.06em;
        }

        .module-card {
            height: 100%;
        }

        .auth-stage {
            min-height: min(62vh, 720px);
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .auth-panel {
            width: min(100%, 1080px);
            margin-inline: auto;
        }

        .auth-panel--wide {
            width: 100%;
        }

        .auth-card {
            overflow: hidden;
        }

        .auth-card-body {
            padding: clamp(1.5rem, 4vw, 3rem);
        }

        .auth-card-grid {
            display: grid;
            grid-template-columns: minmax(0, 0.95fr) minmax(300px, 1.05fr);
            gap: clamp(1.5rem, 4vw, 3rem);
            align-items: center;
        }

        .auth-card-grid--single {
            grid-template-columns: 1fr;
            align-items: stretch;
        }

        .auth-card-copy {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }

        .auth-card-copy--compact {
            gap: 0;
        }

        .auth-card-copy h2 {
            font-size: clamp(2rem, 4vw, 3.25rem);
            letter-spacing: -0.06em;
            margin-bottom: 0;
        }

        .auth-card-copy p {
            max-width: 34rem;
            font-size: 1.02rem;
        }

        .auth-card-grid--single .auth-card-copy p {
            max-width: none;
        }

        .auth-form .form-control {
            min-height: 58px;
            border-radius: 0.95rem;
            padding-inline: 1rem;
        }

        .auth-form--wide {
            width: 100%;
            margin-inline: 0;
        }

        .auth-submit {
            min-height: 58px;
            border-radius: 0.95rem;
        }

        .auth-reset-link {
            color: var(--sb-accent);
            font-weight: 700;
        }

        .auth-reset-link:hover,
        .auth-reset-link:focus {
            color: #ffd073;
        }

        .auth-support {
            margin-top: 1rem;
            padding-top: 1rem;
            border-top: 1px solid var(--sb-line);
        }

        .auth-support-card {
            border: 1px solid var(--sb-line);
            border-radius: 1rem;
            background: rgba(255, 255, 255, 0.03);
            padding: 1rem 1.1rem;
        }

        .question-builder-item,
        .answer-box,
        .result-answer-item {
            border: 1px solid var(--sb-line);
            border-radius: 1rem;
            background: rgba(255, 255, 255, 0.03);
        }

        .sticky-summary {
            position: sticky;
            top: 86px;
        }

        body.student-exam-ui {
            background:
                radial-gradient(circle at top right, rgba(255, 179, 71, 0.18), transparent 28%),
                radial-gradient(circle at bottom left, rgba(112, 184, 255, 0.16), transparent 26%),
                linear-gradient(180deg, #07090e 0%, #040507 100%);
            color: #f5f7fb;
            min-height: 100vh;
        }

        body.student-exam-ui button,
        body.student-exam-ui input,
        body.student-exam-ui select {
            font: inherit;
        }

        body.student-exam-ui h1,
        body.student-exam-ui h2,
        body.student-exam-ui h3,
        body.student-exam-ui h4,
        body.student-exam-ui h5,
        body.student-exam-ui p,
        body.student-exam-ui ol,
        body.student-exam-ui ul {
            margin: 0;
        }

        body.student-exam-ui strong {
            color: #fff4d8;
        }

        body.student-exam-ui .hidden {
            display: none !important;
        }

        body.student-exam-ui .app-shell {
            min-height: 100vh;
            padding: 20px;
        }

        body.student-exam-ui .main {
            display: grid;
            align-content: start;
            gap: 20px;
            max-width: 1180px;
            margin: 0 auto;
        }

        body.student-exam-ui .surface {
            padding: 28px;
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: 28px;
            background: linear-gradient(180deg, rgba(16, 24, 36, 0.98), rgba(6, 9, 15, 0.96));
            box-shadow: 0 26px 80px rgba(0, 0, 0, 0.42);
            backdrop-filter: blur(16px);
        }

        body.student-exam-ui .intro-card,
        body.student-exam-ui .lookup-card,
        body.student-exam-ui .rules-card,
        body.student-exam-ui .form-card,
        body.student-exam-ui .info-card,
        body.student-exam-ui .question-card,
        body.student-exam-ui .result-item,
        body.student-exam-ui .option {
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: 20px;
            background: rgba(255, 255, 255, 0.035);
        }

        body.student-exam-ui .intro-card,
        body.student-exam-ui .lookup-card,
        body.student-exam-ui .rules-card,
        body.student-exam-ui .form-card,
        body.student-exam-ui .question-card,
        body.student-exam-ui .result-item {
            padding: 22px;
        }

        body.student-exam-ui .section-head {
            display: flex;
            justify-content: space-between;
            gap: 18px;
            align-items: flex-start;
            margin-bottom: 24px;
        }

        body.student-exam-ui .eyebrow {
            color: #aeb8c7;
            text-transform: uppercase;
            letter-spacing: 0.14em;
            font-size: 0.76rem;
            margin-bottom: 8px;
        }

        body.student-exam-ui h2 {
            font-size: clamp(1.75rem, 2.9vw, 2.35rem);
            line-height: 1.05;
            letter-spacing: -0.05em;
            color: #f5f7fb !important;
        }

        body.student-exam-ui h3 {
            font-size: 1.18rem;
            line-height: 1.2;
            letter-spacing: -0.03em;
            color: #f5f7fb !important;
        }

        body.student-exam-ui h4 {
            font-size: 0.95rem;
            line-height: 1.4;
            color: #f5f7fb !important;
        }

        body.student-exam-ui p,
        body.student-exam-ui li {
            color: #aeb8c7;
            line-height: 1.7;
        }

        body.student-exam-ui .lookup-grid,
        body.student-exam-ui .details-grid,
        body.student-exam-ui .meta-grid,
        body.student-exam-ui .form-grid,
        body.student-exam-ui .result-metrics,
        body.student-exam-ui .info-row,
        body.student-exam-ui .options,
        body.student-exam-ui .details-list,
        body.student-exam-ui .class-chips {
            display: grid;
            gap: 14px;
        }

        body.student-exam-ui .lookup-grid,
        body.student-exam-ui .details-grid {
            gap: 20px;
        }

        body.student-exam-ui .lookup-grid {
            grid-template-columns: minmax(0, 1.15fr) minmax(320px, 0.85fr);
        }

        body.student-exam-ui .lookup-side-column {
            display: grid;
            gap: 20px;
            align-content: start;
        }

        body.student-exam-ui .details-grid {
            grid-template-columns: minmax(0, 1fr) minmax(340px, 0.92fr);
        }

        body.student-exam-ui .meta-grid {
            grid-template-columns: repeat(3, minmax(0, 1fr));
            margin-bottom: 20px;
        }

        body.student-exam-ui .form-grid {
            grid-template-columns: repeat(2, minmax(0, 1fr));
            gap: 16px;
            margin-bottom: 20px;
        }

        body.student-exam-ui .result-metrics {
            grid-template-columns: repeat(4, minmax(0, 1fr));
            gap: 16px;
            margin-bottom: 18px;
        }

        body.student-exam-ui .info-row {
            grid-template-columns: repeat(auto-fit, minmax(180px, max-content));
            margin-top: 18px;
        }

        body.student-exam-ui .details-list {
            gap: 14px;
        }

        body.student-exam-ui .class-chips {
            grid-template-columns: repeat(auto-fit, minmax(90px, max-content));
        }

        body.student-exam-ui .field {
            display: grid;
            gap: 8px;
        }

        body.student-exam-ui .field.full {
            grid-column: 1 / -1;
        }

        body.student-exam-ui .label {
            color: #d9dfeb;
        }

        body.student-exam-ui .lookup-form {
            display: grid;
            gap: 16px;
        }

        body.student-exam-ui .lookup-card-head {
            display: grid;
            gap: 10px;
        }

        body.student-exam-ui .lookup-card-head .eyebrow {
            margin-bottom: 0;
        }

        body.student-exam-ui .lookup-card-head p {
            margin: 0;
        }

        body.student-exam-ui .lookup-materials-card {
            display: grid;
            gap: 16px;
        }

        body.student-exam-ui .lookup-materials-card.is-empty {
            border-style: dashed;
        }

        body.student-exam-ui .lookup-materials-textarea {
            min-height: 180px;
            resize: vertical;
            white-space: pre-wrap;
        }

        body.student-exam-ui .lookup-inline-row {
            display: flex;
            align-items: stretch;
            gap: 0;
        }

        body.student-exam-ui .input {
            width: 100%;
            padding: 14px 16px;
            border-radius: 16px;
            border: 1px solid rgba(255, 255, 255, 0.08);
            background: rgba(255, 255, 255, 0.04);
            color: #f5f7fb;
            outline: none;
            transition: border-color 160ms ease, box-shadow 160ms ease, transform 160ms ease;
        }

        body.student-exam-ui .input:focus {
            border-color: rgba(255, 179, 71, 0.72);
            box-shadow: 0 0 0 4px rgba(255, 179, 71, 0.12);
        }

        body.student-exam-ui .lookup-inline-input {
            flex: 1 1 auto;
            min-width: 0;
            border-radius: 16px 0 0 16px;
            border-right: 0;
        }

        body.student-exam-ui .lookup-inline-button {
            flex: 0 0 auto;
            min-width: 220px;
            border-radius: 0 16px 16px 0;
            white-space: nowrap;
        }

        body.student-exam-ui #find-exam-button,
        body.student-exam-ui #start-learning-button {
            border-top-left-radius: 0;
            border-bottom-left-radius: 0;
        }

        body.student-exam-ui .lookup-card-note {
            margin: 0;
            padding: 14px 16px;
            border-radius: 16px;
            border: 1px solid rgba(255, 255, 255, 0.08);
            background: rgba(255, 255, 255, 0.04);
            color: #d7dfeb;
        }

        body.student-exam-ui select.input {
            appearance: none;
        }

        body.student-exam-ui .button-row {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }

        body.student-exam-ui .quiz-head-actions {
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }

        body.student-exam-ui .btn,
        body.student-exam-ui .btn-muted {
            border: 1px solid transparent;
            border-radius: 16px;
            padding: 13px 18px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            cursor: pointer;
            transition: transform 160ms ease, opacity 160ms ease, border-color 160ms ease;
            text-decoration: none;
        }

        body.student-exam-ui .btn:hover,
        body.student-exam-ui .btn-muted:hover {
            transform: translateY(-1px);
        }

        body.student-exam-ui .btn:disabled,
        body.student-exam-ui .btn-muted:disabled {
            opacity: 0.48;
            cursor: not-allowed;
            transform: none;
        }

        body.student-exam-ui .btn {
            background: linear-gradient(135deg, #ffb347, #ffd89a);
            color: #12161d !important;
            font-weight: 700;
        }

        body.student-exam-ui .btn-muted {
            background: rgba(255, 255, 255, 0.03);
            border-color: rgba(255, 255, 255, 0.08);
            color: #f5f7fb !important;
        }

        body.student-exam-ui .student-icon {
            width: 1rem;
            height: 1rem;
            flex: 0 0 auto;
        }

        body.student-exam-ui .btn .student-icon,
        body.student-exam-ui .btn-muted .student-icon {
            width: 1rem;
            height: 1rem;
        }

        body.student-exam-ui .icon-btn {
            width: 44px;
            height: 44px;
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: 14px;
            background: rgba(255, 255, 255, 0.04);
            color: #f5f7fb;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: transform 160ms ease, border-color 160ms ease, background 160ms ease;
        }

        body.student-exam-ui .icon-btn:hover {
            transform: translateY(-1px);
            border-color: rgba(255, 141, 141, 0.3);
            background: rgba(255, 141, 141, 0.12);
        }

        body.student-exam-ui .icon-btn .student-icon {
            width: 1rem;
            height: 1rem;
        }

        body.student-exam-ui .badge,
        body.student-exam-ui .pill {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 10px 14px;
            border-radius: 999px;
        }

        body.student-exam-ui .badge {
            background: linear-gradient(135deg, #ffb347, #ffd89a);
            color: #101319;
            font-weight: 700;
        }

        body.student-exam-ui .pill {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.08);
            color: #e0e6f0;
        }

        body.student-exam-ui .lookup-guidance {
            display: grid;
            gap: 12px;
            margin-top: 18px;
        }

        body.student-exam-ui .lookup-guidance-item {
            display: grid;
            gap: 6px;
            padding: 16px 18px;
            border-radius: 18px;
            border: 1px solid rgba(255, 255, 255, 0.08);
            background: rgba(255, 255, 255, 0.04);
        }

        body.student-exam-ui .lookup-guidance-item strong {
            color: #f5f7fb;
            font-size: 1rem;
            letter-spacing: -0.02em;
        }

        body.student-exam-ui .lookup-guidance-item span {
            color: #aeb8c7;
            line-height: 1.65;
        }

        body.student-exam-ui .rules-list {
            margin: 16px 0 22px;
            padding-left: 18px;
            display: grid;
            gap: 10px;
        }

        body.student-exam-ui .rules-live-summary,
        body.student-exam-ui .result-status {
            margin-top: 12px;
            margin-bottom: 12px;
            padding: 14px 16px;
            border-radius: 16px;
            border: 1px solid rgba(255, 255, 255, 0.08);
            background: rgba(255, 255, 255, 0.04);
        }

        body.student-exam-ui .class-chip {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 10px 14px;
            border-radius: 999px;
            border: 1px solid rgba(255, 255, 255, 0.08);
            background: rgba(112, 184, 255, 0.08);
            color: #dceeff;
        }

        body.student-exam-ui .info-card {
            padding: 18px;
        }

        body.student-exam-ui .timer {
            min-width: 92px;
            text-align: center;
            padding: 14px 16px;
            border-radius: 22px;
            background: linear-gradient(180deg, rgba(255, 179, 71, 0.16), rgba(255, 179, 71, 0.06));
            border: 1px solid rgba(255, 179, 71, 0.26);
            font-size: 1.75rem;
            font-weight: 700;
            letter-spacing: -0.06em;
        }

        body.student-exam-ui .question-card {
            margin: 22px 0 18px;
        }

        body.student-exam-ui .question-media,
        body.student-exam-ui .result-media {
            margin-top: 18px;
        }

        body.student-exam-ui .question-media img,
        body.student-exam-ui .result-media img {
            width: 100%;
            max-height: 340px;
            object-fit: contain;
            border-radius: 20px;
            border: 1px solid rgba(255, 255, 255, 0.08);
            background: rgba(255, 255, 255, 0.03);
        }

        body.student-exam-ui .option {
            padding: 18px;
            display: flex;
            gap: 14px;
            align-items: flex-start;
            cursor: pointer;
            transition: border-color 160ms ease, transform 160ms ease, background 160ms ease;
        }

        body.student-exam-ui .option:hover {
            border-color: rgba(112, 184, 255, 0.34);
            background: rgba(112, 184, 255, 0.06);
            transform: translateY(-1px);
        }

        body.student-exam-ui .option input {
            margin-top: 4px;
            accent-color: #ffb347;
            transform: scale(1.1);
            flex-shrink: 0;
        }

        body.student-exam-ui .result-rules-card {
            margin-bottom: 18px;
        }

        body.student-exam-ui .result-status[data-status="terminated"] {
            border-color: rgba(255, 141, 141, 0.28);
            background: rgba(255, 141, 141, 0.1);
            color: #ffe0e0;
        }

        body.student-exam-ui .result-item-head {
            display: flex;
            justify-content: space-between;
            gap: 16px;
            align-items: flex-start;
            margin-bottom: 14px;
        }

        body.student-exam-ui .result-answer {
            display: grid;
            gap: 6px;
        }

        body.student-exam-ui .result-mark {
            padding: 8px 12px;
            border-radius: 999px;
            font-size: 0.85rem;
            font-weight: 700;
            white-space: nowrap;
        }

        body.student-exam-ui .result-mark.correct {
            background: rgba(155, 231, 162, 0.14);
            border: 1px solid rgba(155, 231, 162, 0.3);
            color: #9be7a2;
        }

        body.student-exam-ui .result-mark.wrong {
            background: rgba(255, 141, 141, 0.12);
            border: 1px solid rgba(255, 141, 141, 0.28);
            color: #ffd0d0;
        }

        body.student-exam-ui .error {
            margin-top: 14px;
            padding: 14px 16px;
            border-radius: 16px;
            border: 1px solid rgba(255, 141, 141, 0.28);
            background: rgba(255, 141, 141, 0.11);
            color: #ffe2e2 !important;
        }

        body.student-exam-ui .exam-message {
            padding: 18px 22px;
        }

        @media (max-width: 991.98px) {
            .sticky-summary {
                position: static;
            }

            body.has-panel-sidebar .page-shell {
                width: min(100%, calc(100vw - 24px));
                margin: 1rem auto 2rem;
            }

            .panel-statusbar {
                margin-right: 0;
            }

            .panel-statusbar-shell {
                display: grid;
                grid-template-columns: minmax(0, 1fr) auto;
                align-items: center;
                gap: 0.6rem 0.75rem;
                padding: 0.65rem 0.75rem;
            }

            .panel-mobile-brand {
                grid-column: 1;
                grid-row: 1;
                min-width: 0;
                padding: 0;
            }

            .panel-mobile-brand .project-brand {
                max-width: 100%;
            }

            .panel-mobile-brand .project-brand-copy {
                overflow: hidden;
            }

            .panel-mobile-brand .project-brand-title {
                overflow: hidden;
                text-overflow: ellipsis;
                white-space: nowrap;
            }

            .panel-sidebar-toggler {
                grid-column: 2;
                grid-row: 1;
                width: 44px;
                height: 44px;
                margin-left: 0;
                padding: 0.45rem;
                display: inline-flex;
                align-items: center;
                justify-content: center;
                border-color: var(--sb-line-strong);
                border-radius: 0.85rem;
                background: rgba(255, 255, 255, 0.04);
            }

            .navbar-status-row {
                grid-column: 1 / -1;
                grid-row: 2;
                width: 100%;
                display: grid;
                grid-template-columns: 1fr;
                gap: 0.55rem;
            }

            .navbar-clock,
            .navbar-schedule,
            .navbar-key-status {
                width: 100%;
                min-width: 0;
                border-radius: 0.85rem;
                padding: 0.65rem 0.75rem;
            }

            .navbar-clock {
                display: grid;
                grid-template-columns: auto minmax(0, 1fr);
                align-items: center;
                gap: 0.15rem 0.75rem;
            }

            .navbar-clock-label {
                grid-column: 1;
                grid-row: 1;
            }

            .navbar-clock-time {
                grid-column: 1;
                grid-row: 2;
                font-size: 1.25rem;
            }

            .navbar-clock-day {
                grid-column: 2;
                grid-row: 1 / span 2;
                justify-self: end;
                text-align: right;
            }

            .navbar-schedule-top {
                display: block;
                margin-bottom: 0.3rem;
            }

            .navbar-schedule-content {
                display: grid;
                grid-template-columns: 1fr;
                align-items: flex-start;
                gap: 0.35rem;
            }

            .navbar-schedule-primary {
                flex: initial;
                font-size: 0.95rem;
                letter-spacing: 0;
                overflow-wrap: anywhere;
            }

            .navbar-schedule-meta {
                width: 100%;
                flex: initial;
                justify-content: flex-start;
                gap: 0.35rem 0.65rem;
                font-size: 0.78rem;
            }

            .navbar-key-status {
                gap: 0.15rem;
            }

            .panel-sidebar {
                top: 0.75rem;
                left: 0.75rem;
                bottom: 0.75rem;
                width: min(330px, calc(100vw - 1.5rem));
                border: 1px solid var(--sb-line-strong) !important;
                border-radius: 1rem !important;
                box-shadow: 0 24px 80px rgba(0, 0, 0, 0.46);
            }

            .panel-sidebar.collapse:not(.show) {
                display: none;
            }

            .panel-sidebar.show {
                display: flex;
            }

            .panel-sidebar-brand .project-brand-subtitle {
                display: none;
            }

            .listing-toolbar {
                grid-template-columns: 1fr;
            }

            .listing-toolbar-status {
                justify-self: start;
            }

            .searchable-multiselect-tools {
                grid-template-columns: 1fr;
            }

            .searchable-multiselect-status {
                white-space: normal;
            }

            .bulk-selection-toolbar {
                align-items: stretch;
                flex-direction: column;
            }

            .bulk-selection-select-all {
                margin-right: 0;
            }

            .bulk-selection-status {
                align-self: flex-start;
            }

            .auth-card-grid {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 1200px) {
            body.student-exam-ui .lookup-grid,
            body.student-exam-ui .details-grid,
            body.student-exam-ui .meta-grid,
            body.student-exam-ui .result-metrics {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 820px) {
            body.student-exam-ui .surface {
                padding: 20px;
            }

            body.student-exam-ui .section-head,
            body.student-exam-ui .result-item-head,
            body.student-exam-ui .button-row {
                flex-direction: column;
                align-items: stretch;
            }

            body.student-exam-ui .lookup-inline-row {
                flex-direction: column;
                gap: 10px;
            }

            body.student-exam-ui .lookup-inline-input,
            body.student-exam-ui .lookup-inline-button {
                border-radius: 16px;
            }

            body.student-exam-ui #find-exam-button,
            body.student-exam-ui #start-learning-button {
                border-top-left-radius: 0;
                border-bottom-left-radius: 0;
            }

            body.student-exam-ui .lookup-inline-input {
                border-right: 1px solid rgba(255, 255, 255, 0.08);
            }

            body.student-exam-ui .form-grid,
            body.student-exam-ui .info-row {
                grid-template-columns: 1fr;
            }

            body.student-exam-ui .timer {
                min-width: 84px;
            }

            body.student-exam-ui .quiz-head-actions {
                width: 100%;
                justify-content: space-between;
            }
        }

        @media (max-width: 767.98px) {
            .project-brand--compact .project-brand-subtitle {
                display: none;
            }

            .project-brand--compact .project-brand-logo {
                width: 50px;
                height: 50px;
            }

            .project-brand--compact .project-brand-title {
                font-size: 0.98rem;
            }
        }

        @media (max-width: 560px) {
            body.student-exam-ui .app-shell {
                padding: 16px;
            }

            body.student-exam-ui .surface,
            body.student-exam-ui .intro-card,
            body.student-exam-ui .lookup-card,
            body.student-exam-ui .rules-card,
            body.student-exam-ui .form-card,
            body.student-exam-ui .result-item,
            body.student-exam-ui .question-card {
                padding: 18px;
            }
        }